Add support for timers and run/quit_event_loop

api/python/tests/test_timers.py

@@ -0,0 +1,26 @@
+# Copyright © SixtyFPS GmbH <info@slint.dev>
+# SPDX-License-Identifier: GPL-3.0-only OR LicenseRef-Slint-Royalty-free-1.1 OR LicenseRef-Slint-commercial
+
+import pytest
+import slint
+from slint import ValueType
+from datetime import timedelta
+
+def test_timer():
+    global counter
+    counter = 0
+    def quit_after_two_invocations():
+        global counter
+        counter = counter + 1
+        if counter >= 2:
+            slint.quit_event_loop()
+
+    test_timer = slint.Timer()        
+    test_timer.start(slint.TimerMode.Repeated, timedelta(milliseconds=100), quit_after_two_invocations)
+    slint.run_event_loop()
+    test_timer.stop()
+    assert(counter == 2)
+
+def test_single_shot():
+    slint.Timer.single_shot(timedelta(milliseconds=100), slint.quit_event_loop)
+    slint.run_event_loop()